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Old 27th May 2014, 03:48 PM   #1
Pope Ingram
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Join Date: May 2014
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Default Web buckling and crushing have not been checked

Hi, Has anyone else had this problem or am I just being a pillock?
I have selected steels to support the rear wall of a house and due to the wall construction, I have selected two steels to be bolted. The steels selected were 2No 150 x 75 x 18 PFC. everything checks out ok when calculated but when I print it there is a line which says 'Web buckling and crushing have not been checked'. Building control weren't happy with this. What am I doing wrong?
Many thanks.
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Old 29th May 2014, 09:18 AM   #2
Tony Bryer
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Default Re: Web buckling and crushing have not been checked

Apologies for for not responding earlier. SuperBeam and ProSteel only check web bucking and crushing for I-section beams, not channels. I'm not sure why we have this limitation (it looks like it's been there from the beginning) but will check it out and see if it's possible to add it in. Note that for ordinary domestic beams this is almost never critical.
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Old 29th May 2014, 02:41 PM   #3
Pope Ingram
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Default Re: Web buckling and crushing have not been checked

Many thanks for the feedback. I think that the mere fact that this line shows up, raises issues. It doesn't show up on the old SuperBeam ver 1.41 (don't laugh) print out, but building control will accept the print out from that.
Maybe the solution would be to omit the line from the print out sheet where channels are involved under certain conditions although I am not sure if that is a feasible option. Many thanks once again.
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